About this number
(301) 525 is a landline based telephone number operated by Quantum Telecommunications, In and is located in zip code 21202 in the city of Baltimore, Maryland, which is in Baltimore County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 301 and Network Numbering Exchange (NXX - also known as a prefix) of 525. It has an Operating Company Number (OCN) of 2596. A Common Language Location Identifier (CLLI) of BLTMMD91DS2. As well as a Local access and transport area (LATA) of 236. It was first assigned for usage on 10/16/2003. Zip code 21202 has a population of 22,832 as of the 2010 census.